Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 6 |
0.6%
|
-7 | Does not apply | 86 |
8.6%
|
0 | No obstacle | 496 |
49.7%
|
1 | Minor obstacle | 173 |
17.3%
|
2 | Moderate obstacle | 127 |
12.7%
|
3 | Major obstacle | 76 |
7.6%
|
4 | Very severe obstacle | 34 |
3.4%
|